Sunday, September 14, 2014

Crystal Filter

The post yesterday delivered my bag-o-rocks from China.  I ordered on eBay 100, 20 Mhz surface mount crystals for building crystal filters.

I am going to have to convince my buddy Eldon, WA0UWH to help me categorize these using his AIM-4170B analyzer before I solder them into a circuit.  $10 delivered from China is pretty good, but it remains to be seen how these crystals operate.

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